EP 4297169 A1 20231227 - ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND POWERED DEVICE
Title (en)
ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND POWERED DEVICE
Title (de)
ELEKTRODENANORDNUNG, BATTERIEZELLE, BATTERIE UND STROMGETRIEBENE VORRICHTUNG
Title (fr)
ENSEMBLE ÉLECTRODE, CELLULE DE BATTERIE, BATTERIE ET DISPOSITIF ALIMENTÉ
Publication
Application
Priority
- CN 202121959390 U 20210819
- CN 2022101317 W 20220624
Abstract (en)
This application relates to an electrode assembly, a battery cell, a battery, and an electric device, and pertains to the technical field of battery manufacture. An electrode assembly is provided. The electrode assembly is a wound electrode assembly and includes a first separator and a second separator. A difference between a number of winding turns of the first separator and a number of winding turns of the second separator is greater than or equal to 1. The electrode assembly in embodiments of this application can reduce or avoid lithium precipitation, to improve safety of the battery cell.
IPC 8 full level
H01M 50/46 (2021.01); H01M 50/463 (2021.01)
CPC (source: EP US)
H01M 10/04 (2013.01 - EP); H01M 10/0431 (2013.01 - EP); H01M 10/0525 (2013.01 - EP US); H01M 10/0587 (2013.01 - EP US); H01M 50/46 (2021.01 - EP US); H01M 50/463 (2021.01 - EP); H01M 2220/20 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP); Y02P 70/50 (2015.11 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4297169 A1 20231227; CN 215896616 U 20220222; US 2023395870 A1 20231207; WO 2023020119 A1 20230223
DOCDB simple family (application)
EP 22857432 A 20220624; CN 202121959390 U 20210819; CN 2022101317 W 20220624; US 202318452888 A 20230821